Fix: prefer-exponentiation-operator invalid autofix with await (#13924)

eslint · Dec 18, 2020 · ab240d4 · ab240d4
1 parent dc76911
commit ab240d4
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diff --git a/lib/rules/prefer-exponentiation-operator.js b/lib/rules/prefer-exponentiation-operator.js
@@ -30,6 +30,7 @@ function doesBaseNeedParens(base) {
         astUtils.getPrecedence(base) <= PRECEDENCE_OF_EXPONENTIATION_EXPR ||
 
         // An unary operator cannot be used immediately before an exponentiation expression
+        base.type === "AwaitExpression" ||
         base.type === "UnaryExpression"
     );
 }

diff --git a/tests/lib/rules/prefer-exponentiation-operator.js b/tests/lib/rules/prefer-exponentiation-operator.js
@@ -218,6 +218,8 @@ ruleTester.run("prefer-exponentiation-operator", rule, {
         invalid("Math.pow(a, -b)", "a**-b"),
         invalid("Math.pow(-2, 3)", "(-2)**3"),
         invalid("Math.pow(2, -3)", "2**-3"),
+        invalid("async () => Math.pow(await a, b)", "async () => (await a)**b"),
+        invalid("async () => Math.pow(a, await b)", "async () => a**await b"),
 
         // base and exponent with a lower precedence
         invalid("Math.pow(a * b, c)", "(a * b)**c"),